Chapter 1

Why Wind Energy?

Trevor M. Letcher,    University of KwaZulu-Natal, Durban, South Africa    Email:


The raison d’etre for the new book on wind energy engineering is discussed with a focus on our changing climate and the buildup of atmospheric carbon dioxide; hence the title of this introductory chapter—Why Wind Energy? The background to wind power is briefly mentioned.

The advantages of wind energy are discussed together with a look at the challenges facing the wind energy industry. The chapter ends with a brief look at the potential of wind energy as one of the most important of the renewable forms of energy.


Wind energy; climate change; wind turbine technology; advantages of wind energy; ...

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